[FFmpeg-cvslog] r11691 - trunk/libavformat/movenc.c

Reimar Döffinger Reimar.Doeffinger
Thu Jan 31 13:58:25 CET 2008

On Thu, Jan 31, 2008 at 01:38:45PM +0100, Baptiste Coudurier wrote:
> Reimar D?ffinger wrote:
> > On Thu, Jan 31, 2008 at 12:46:42PM +0100, Baptiste Coudurier wrote:
> >> No, this is correct:
> >> http://developer.apple.com/quicktime/icefloe/dispatch020.html
> >>
> >> You are speaking about 'yuv2'.
> > 
> > Argh, right. I forgot that Apple likes this "write things reverse" game and
> > assumed that they would be the same.
> Hehe, btw I would be interested in supporting such samples, should we
> add a new pix fmt for it ?

Well, MPlayer should support them, though I have not tested with the
lavf demuxer (though it should work if this is exported as codec_tag).
I guess adding a pixfmt would not hurt (maybe just adding a _S behind
the normal name? I hope nobody had the idea of using signed values for
luma?), but it is not too useful without libswscale support (should not
be too hard to hack in in principle though, just do an xor 0x80008000 as
a first step or so). Reminds me that the way I do it in MPlayer is quite

Reimar Doeffinger

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